Public water system · TX1560005
ActiveTpwd Choke Canyon State Park Calliham
At a glance
Tpwd Choke Canyon State Park Calliham (PWSID TX1560005) is an active transient non-community water system in McMullen County, Texas. It reports serving 133 people through 115 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
133
Service connections
115
Primary source
GWP
Purchased groundwater
System type
TNCWS
Transient non-community water system
System record
How does Tpwd Choke Canyon State Park Calliham compare with other water systems in McMullen County?
By EPA's size categories, Tpwd Choke Canyon State Park Calliham is a very small system (500 people or fewer). McMullen County has 3 active public water systems, and Tpwd Choke Canyon State Park Calliham is the 3rd-largest of them by population served. Its population served is about 62% below the county average of 350 people per system, and accounts for 13% of the 1,051 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Tpwd Choke Canyon State Park Calliham is roughly in line with that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Texas has 1,622 active transient non-community water systems, 23% of the state's 7,078 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 302 Texas systems (4.3%) list purchased groundwater as their primary source.
Who owns and regulates Tpwd Choke Canyon State Park Calliham?
EPA lists Tpwd Choke Canyon State Park Calliham as owned by a state government. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 1 of the 3 active systems in McMullen County (33%) are also owned by a state government.
Does Tpwd Choke Canyon State Park Calliham have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2025. The violations listed here began between October 2024 and March 2025. By type: 10 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (7 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-03-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2025-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-03-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2025-03-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2025-03-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2025-03-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2025-02-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2024-12-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2024-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-11-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Tpwd Choke Canyon State Park Calliham: frequently asked questions
Who runs Tpwd Choke Canyon State Park Calliham?
Tpwd Choke Canyon State Park Calliham (PWSID TX1560005) is a transient non-community water system owned by a state government. It is regulated by the TX state drinking water program.
How many people does Tpwd Choke Canyon State Park Calliham serve?
Tpwd Choke Canyon State Park Calliham reports serving 133 people through 115 service connections in McMullen County, Texas.
Where does Tpwd Choke Canyon State Park Calliham get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Tpwd Choke Canyon State Park Calliham have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Tpwd Choke Canyon State Park Calliham's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2025. For current results, consult EPA ECHO, or the TX state drinking water program.
Where can I find Tpwd Choke Canyon State Park Calliham's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Tpwd Choke Canyon State Park Calliham is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in McMullen County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mcmullen County Tilden | McMullen | 618 | Community | Groundwater |
| Mcmullen County Calliham | McMullen | 300 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Tpwd Choke Canyon State Park Calliham, PWSID TX1560005, Texas”, https://aquacensus.com/water-systems/texas/tpwd-choke-canyon-state-park-calliham-tx1560005 (data as of October 1, 2026).